Data Item _pdbx_reference_entity_poly_seq.observed
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General 
- Item name
- _pdbx_reference_entity_poly_seq.observed
- Category name
- pdbx_reference_entity_poly_seq
- Attribute name
- observed
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
- Used in the BIRD dictionary
- Yes
- Used in the Chemical Component dictionary
- Yes
Item Description
A flag to indicate that this monomer is observed in the instance example.
Item Example
Y
Data Type 
- Data type code
- ucode
- Data type detail
- code item types/single words (case insensitive) ...
- Primitive data type code
- uchar
- Regular expression
- [][_,.;:"&<>()/\{}'`~!@#$%A-Za-z0-9*|+-]*
- Default value
- Y
Controlled Vocabulary
| Allowed Value | Details |
|---|---|
| N | not observed |
| Y | observed |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| N | not observed |
| Y | observed |